The transmission of light through a transparent solid can be described by the equation: IT = I0(l
Question:
IT = I0(l - R)2e-BL
where IT is the transmitted intensity, I0 is the intensity of the incident beam, B is the absorption coefficient, L is the length of the transparent solid, and R is the fraction of light which is reflected at the interface. If the light is normal to the interface and the beams are transmitted through air, R = (n €“ 1/n €“ 1)2 where n is the index of refraction for the transparent solid. Experiments measuring the intensity of light transmitted through specimens of a transparent solid of various lengths are given in the following table. The intensity of the incident beam is 5 watts/m2.
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Use this data and curve fitting to determine the absorption coefficient and index of refraction of the solid.
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Script file I05 L05 12 17 22 45 61E2 IT 42 40 38 36 29 25 ppolyfitLlo...View the full answer
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